package com.cloudfast.utils.word;

import java.io.IOException;
import java.io.InputStream;

import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.xmlbeans.XmlException;
import org.apache.xmlbeans.XmlToken;
import org.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;
import org.openxmlformats.schemas.drawingml.x2006.main.CTPositiveSize2D;
import org.openxmlformats.schemas.drawingml.x2006.wordprocessingDrawing.CTInline;

/**
 * @Author: SONGTIANk
 * @Description: 继承XWPF类，写一个创建图片方法
 * @Date: 2020/11/11 17:42
 * @Version: 1.0
 */
public class CustomXWPFDocument extends XWPFDocument {
    public CustomXWPFDocument(InputStream in) throws IOException {
        super(in);
    }

    public CustomXWPFDocument() {
        super();
    }

    public CustomXWPFDocument(OPCPackage pkg) throws IOException {
        super(pkg);
    }

    /**
     * @param id        参数位置
     * @param blipId    生成的替换符id
     * @param width     宽
     * @param height    高
     * @param paragraph 段落
     */
    public void createPicture(int id, String blipId, int width, int height, XWPFParagraph paragraph) {
        final int EMU = 9525;
        width *= EMU;
        height *= EMU;
        CTInline inline = paragraph.createRun().getCTR().addNewDrawing().addNewInline();
        String picXml = "" + "<a:graphic xmlns:a=\"http://schemas.openxmlformats.org/drawingml/2006/main\">"
                + "   <a:graphicData uri=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">"
                + "      <pic:pic xmlns:pic=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">"
                + "         <pic:nvPicPr>" + "            <pic:cNvPr id=\"" + id + "\" name=\"Generated\"/>"
                + "            <pic:cNvPicPr/>" + "         </pic:nvPicPr>" + "         <pic:blipFill>"
                + "            <a:blip r:embed=\"" + blipId
                + "\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\"/>"
                + "            <a:stretch>" + "               <a:fillRect/>" + "            </a:stretch>"
                + "         </pic:blipFill>" + "         <pic:spPr>" + "            <a:xfrm>"
                + "               <a:off x=\"0\" y=\"0\"/>" + "               <a:ext cx=\"" + width + "\" cy=\""
                + height + "\"/>" + "            </a:xfrm>" + "            <a:prstGeom prst=\"rect\">"
                + "               <a:avLst/>" + "            </a:prstGeom>" + "         </pic:spPr>"
                + "      </pic:pic>" + "   </a:graphicData>" + "</a:graphic>";

        inline.addNewGraphic().addNewGraphicData();
        XmlToken xmlToken = null;
        try {
            xmlToken = XmlToken.Factory.parse(picXml);
        } catch (XmlException xe) {
            xe.printStackTrace();
        }
        inline.set(xmlToken);

        inline.setDistT(0);
        inline.setDistB(0);
        inline.setDistL(0);
        inline.setDistR(0);

        CTPositiveSize2D extent = inline.addNewExtent();
        extent.setCx(width);
        extent.setCy(height);

        CTNonVisualDrawingProps docPr = inline.addNewDocPr();
        docPr.setId(id);
        docPr.setName("图片" + id);
        docPr.setDescr("测试");
    }
}
